<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        div {
            width: 500vw;
            height: 700vh;
            background-color: rgb(85, 208, 236);

        }
    </style>
</head>

<body>
    <div>

    </div>
</body>

</html>